Tellurian (adj) (noun)
An inhabitant of the earth. An earthling.
From mid 19th C Latin
“Who knows how far the tellurians will reach into the stars.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.