Refers to the person or organization hosting a party, summit, TV show, or similar event.
彼はパーティーのホストを務めた。
He acted as the host of the party.
He served as host of this year's summit.
サミットのホスト国は日本です。
The host country of the summit is Japan.
male host (at a host club)
Specifically refers to a male employee who entertains female customers at a host club (ホストクラブ).
彼は新宿でホストとして働いている。
He works as a host in Shinjuku.
彼は借金を返すためにホストになった。
He became a host to pay off his debts.
The host entertained the invited guests.
ホスト is the person hosting an event, while ゲスト is the guest who attends it.
ホスト is a male entertainer at a host club, while ホステス is the female equivalent at a hostess bar.
ホスト is the person who hosts or owns an event, while 司会者 is specifically the emcee who moderates or runs the proceedings.
host family
host name
self-hosting
host-sponsored golf pro
host club; male companionship club
Borrowed from English 'host'.
host computer
host system