He changed his address.
Kare wa jūsho ga kawatta.
he; him; his; boyfriend
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
address (e.g. of house); residence; domicile
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
to change; to be transformed; to be altered; to vary; to move to; to be different; to be uncommon; to be unusual