slack off, hide, slough off, elude, evade, neglect, welsh, welch, abdicate, bail, fail to, parry, dodge, shirk, avoid, fritter away, shrink from, misuse, malinger, goof off, back down, get out of, fall off (in his duties), duck out of, cop out of, cut (class), drag (one's feet), play hooky, wriggle out of, pass up (an opportunity), give up on, back out of
forfeit, purge, sacrifice, purify, cleanse, redress, flagellate, rectify, make good, beg (forgiveness), fast, confess, plead (forgiveness), make amends, put right, confess (sin or guilt), express (remorse), atone for (guilt or sin), do penance, surrender (to a higher power), return to (god), do penance for, redeem oneself, expiate, compensate for, make restitution for, make reparation for