Intruder and Initiator

Intruder noun - A person who meddles in the affairs of others.

Initiator and intruder are semantically related In some cases you can use "Initiator" instead a noun "Intruder".

Nearby Words: intrude, intrusion, intruded, intruding

Initiator noun - A person who establishes a whole new field of endeavor.

Intruder and initiator are semantically related in attacker topic. Sometimes you can use "Intruder" instead a noun "Initiator".

Nearby Words: initiate, initiative, initiation, initiated, initiatory