noun
host family
A family that provides accommodation and support for a foreign student, traveler, or guest, typically as part of a homestay program.
留学中はホストファミリーにお世話になりました。
I was taken care of by a host family during my study abroad.
ホストファミリーと一緒に夕食を食べるのが楽
I look forward to having dinner with my host family.