To give – you cannot durzhat the word; to receive – be not cruel; a forfeit (game in general) – flirtation.
Forfeit means you do not have to force things; you will come to the aid of a lucky break.
To give — can not keep the word, to get - do not be cruel, the game - flirt.
To give — not can keep the word, to get - do not be cruel, the game - flirt.