is a term is used to describe a process that occurs when being part of a group reduces personal identity and erodes the sense of personal responsibility. One explanation for this is that being a group member gives us anonymity.

Deindividualization.

Explanation: Deindividualization is a term is used to describe a process that occurs when being part of a group reduces personal identity and erodes the sense of personal responsibility. furthermore, Deindividuation is a social psychology concept that occurs when a person's identity with a group overrides their own identity and self-awareness. It can lead to a mob mentality, because deindividuation however tends to prevent critical thinking. It is a psychological state of decreased self-evaluation, causing anti-normative and disinhibited behavior, it is an individual character in a crowd.

dude you should crop your image so only the question shows. but   can you explain it better