contrast,
counterpoint put in opposition to show or emphasize differences; "The middle school teacher contrasted her best student's work with that of her weakest student"
fight,
struggle,
contend fight against or resist strongly; "The senator said he would oppose the bill"; "Don't fight it!"
recalcitrate show strong objection or repugnance; manifest vigorous opposition or resistance; be obstinately disobedient; "The Democratic senators recalcitrated against every proposal from the Republican side"
fend,
resist,
stand try to manage without help; "The youngsters had to fend for themselves after their parents died"
act,
move behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people"
follow up on,
act on,
pursue regulate one's behavior in accordance with certain information, ideas, or advice; "The Founding Fathers acted on certain moral principles"
go against,
buck jump vertically, with legs stiff and back arched; "the yung filly bucked"
oppose -
set into opposition or rivalry; "let them match their best athletes against ours"; "pit a chess player against the Russian champion"; "He plays his two children off against each other"