are unfaithful (verb) betray: be disloyal
Sinonime: actor, banana, buffoon, card*, clown, comedian, comic, cutup, droll, farceur,
fool, funster, gagster, humorist, jester, jokesmith, jokester, josher, kidder, life of the party, prankster, punster, quipster, second banana, stand-up comic, stooge, straight person, top banana, trickster, wag, wisecracker, wit
Antonime: be faithful, be loyal,
defend,
protect,
support