Enemy

Dutch uncle

Meaning: criticize, scold or lecture someone

Example: I thought he would approve of my choices, but he ranted on like a Dutch uncle for a whole hour. Read on

keep your friends close and your enemies closer

Meaning: to keep a keen eye on enemies beyond what one might have on their friends

Example: As a politician you must keep your friends close and your enemies closer. Read on

build bridges

Meaning: to foster good relationships

Example: A non-governmental organization is engaged in building bridges between different communal groups in the city. Read on