Correct Option: B

association (Noun) : an official group of people, who have joined together for a particular purpose ; a relationship between people
isolation (Noun) : the act of separating ; the state of being separate
segregation (Noun) : the act of policy of separating
seclusion (Noun) : the state of being private or of having little contact with other people
deportation (Noun) : the act of expelling a person from his native land