SSC CHSL 24 Mar 2018 Shift 2 Paper

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
It is easy to fall victim (1)/ not only to those who may hurt or mistreats us, (2)/ but also to our own anger. (3)/ No error (4)