Bulwark (noun)
دفاعی فصیل، دفاعی مورچہ، چاردیواری
a person or thing that acts as a defence.
Example: “the security forces are a bulwark against the breakdown of society”
Inimical (adjective)
معاندانہ، نامہربان، بے مروت
tending to obstruct or harm.
Example: “the policy was inimical to Britain’s real interests”