Option 1 -> Traveller is a synonym of nomad, referring to someone who moves from place to place.
Option 2 -> Resident means someone who lives permanently in a particular place, which is the opposite of a nomad.
Option 3 -> Wanderer is another synonym of nomad, describing someone who roams without a fixed home.
Option 4 -> Immigrant refers to someone moving to settle in a new country, not the direct opposite of nomadic lifestyle.
Hence, Option 2: Resident -> A nomad is someone who constantly moves without a permanent home, while a resident is someone who lives permanently in one place, making them direct antonyms -> correct