substitution, substitute / substitute, deputy, proxy / compensation, exchange / second helping, refill

exchange / 代わり, 替わり: substitution, substitute, replacement either a permanent change, or an alternating change, such as when taking turns

second helping

weird / strange person

(chiefly in the negative) positive change

change; alteration; substitution / instead (of); in place (of); as a substitute (for)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

seat / meeting place; venue / position; status