weasel

betrayer blabbermouth canary deceiver double-crosser fink informant informer narc nark rat sneak snitch snitcher source squealer stoolie tattler tattletale tipster turncoat whistle-blower

deep throat stool pigeon

balk dodge duck hedge renege shuck sidestep waffle

beat around the bush circumvent cop out dance around an issue elude equivocate eschew flee get around give the runaround hem and haw lay low pussyfoot put off shirk slip out sneak away tap dance worm one's way out of

confront face meet