0 to avoid someone intentionally, or to prevent someone from taking part in the activities of a group: --
His colleagues ostracized him after he criticized the company in public.
1 to prevent someone from being part of a group because you dislike the person or disapprove of something the person has done: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.