Betrayal sounds in the very first line of Browning's poem: "Just for a handful of silver he left us." The speaker is not one person but a "we", a band of followers who once believed in a leader and now watch him walk over to the other side. Browning never names him, though readers have long linked the poem with Wordsworth, the poet who began among radical hopes and later accepted official favour. The poem works without that key. Its subject is the particular pain of being let down by someone you admired, and the way love for a hero can turn into accusation.
Money drives the imagery. The leader goes for "silver" and a "riband to stick in his coat", rewards that sound small and a little ridiculous, and the repeated "Just for" makes them sound smaller still. The metals are ranked: those with "the gold to give" only "doled him out silver", while the followers' devotion is paid in "copper", the coin of the poor, which "had gone for his service". The line "Rags--were they purple, his heart had been proud!" suggests that service to the cause could have made even poverty feel royal. The betrayal is therefore a loss of dignity as well as of loyalty.
The rhythm helps the speaker's anger. The lines gallop in a dactylic beat, like a march or a charge, and the long lines run on clause after clause: "followed him, honoured him, / Lived in his mild and magnificent eye, / Learned his great language, caught his clear accents". Each verb recalls a stage of devotion, and the pile-up makes the later fall feel steeper. Several lines end on soft double syllables ("left us", "bereft us"), which fade away like a sigh, and the shorter lines between them end firmly. The rhyme is loose and sometimes imperfect ("silver" and "service" only echo each other), and the dashes and exclamation marks make the speaker sound as if he cannot quite keep control of his feelings.
The first stanza ends by drawing up sides. "Shakespeare was of us, Milton was for us, / Burns, Shelley, were with us", and the changing prepositions widen the circle of allies until even the dead "watch from their graves". Against them, "He alone" appears twice, first breaking from "the van and the freemen", then sinking "to the rear and the slaves". The military language turns his choice into desertion, and the freemen and slaves make it a moral one.
The second stanza moves from accusation to something like a funeral rite. "Blot out his name, then, record one lost soul more" is a paradox, since the name is to be erased and the loss recorded. Then "one more" is repeated like a ledger of damage: "One task more declined, one more footpath untrod, / One more devil's-triumph and sorrow for angels, / One wrong more to man, one more insult to God!" The scale swells from a missed path to heaven and hell, as if private disappointment were being filed as a cosmic offence. Light and dark then take over: "Life's night begins", and if he returned there would be only "the glimmer of twilight, / Never glad confident morning again". The speaker would rather lose him completely than live with his half-hearted presence and "forced praise".
The ending turns on a surprise. After all the bitterness, the speaker urges his side to "fight on well, for we taught him", and imagines the leader at last receiving "the new knowledge", "Pardoned in heaven, the first by the throne!" The forgiveness stings as well as softens, because he will be pardoned only after the battle is won by others, and he will have to wait for them. The words suggest that grief is still there under the scorn, and that the speaker cannot fully stop caring about him.
That mix of fury and tenderness gives the poem its lasting force. It captures what it feels like when an ideal is embodied in a person and the person fails it. It also asks what we owe those who inspire us and whether a cause can survive without them. The poem answers that it can, with a grudging generosity that makes it more human than a simple denunciation.