to waive a right; to abstain (from voting); (sports) to forfeit (a game); to voluntarily withdraw from a match

to abandon ship

to throw away; to discard

sacrificed piece (in chess or Go); abandoned child; (fig.) sth that has been abandoned or sacrificed (an ally, a product, employees etc); (in expressions such as 拋家棄子|抛家弃子[pao1 jia1 qi4 zi3]) to abandon one's child(ren)

to leave this world; to die