Who are you? Pt 2 spelling

Someone who imitates the voice or movements of another.

A wanderer with no fixed housing.

A person who watches an event take place, without taking part in it

Someone who travels in a train, ship, aeroplane, etc

Someone who studies languages.

Someone who loves and is ready to defend the country.

Someone who uses a vehicle.

A man whose wife has passed away.

Someone who goes on foot along the road.

Someone who does not eat meat.