Answer: host

AnswerCrossword Clue
HOST

Party thrower

HOST

Trebek, for one

HOST

Parasite's place

HOST
Cater to
HOST
Greeter
HOSTMultitude
HOSTInn proprietor
HOSTEmcee
HOSTThrow a ball?
HOSTHave over
HOSTRun the show
HOSTBall thrower
HOSTFifth word in the ladder
HOSTParty leader
HOSTParasite's need
HOSTParty figure
HOSTTalk show figure
HOSTArmy
HOSTParty giver
HOSTHave a party, say
HOSTInvitation sender
HOSTParty person
HOSTParty boss?
HOSTTalk show moderator
HOSTOlympics city, e.g.
HOSTJay Leno or Jerry Springer
HOSTLeader in home entertainment?
HOSTParty leader?
HOSTParasite's home
HOSTGuest greeter
HOSTLarge group
HOSTHave an affair?
HOSTQuiz show's question reader
HOSTAlex Trebek, for one
HOSTPat Sajak, for one
HOSTJimmy Fallon or Jimmy Kimmel
HOSTQuizmaster, e.g.
HOSTEntertain guests
HOSTTalk show star
HOSTGlad-hander