Answer:
peer rejection and social rejection
Explanation:
School shooting is the attack at the educational institution like primary school, secondary school or a university which involves the use of the firearms.
Social rejection occurs when the individual is excluded deliberately from the social relationship or the social interaction. This topic includes the interpersonal rejection (or known as peer rejection), the romantic rejection or familial estrangement. If people are not cared, not seen, they are so vulnerable to such activities as they think that no one cared them, so why they do.
