voyager
n. countablen. a person who goes on a long and often difficult journey to a distant or unknown place. You usually use this for people traveling by sea or through space.
n. a person who undertakes a long journey, especially to a distant or unfamiliar region. Often carries a literary or historical connotation, frequently associated with maritime or space exploration.
The brave voyager sailed across the ocean alone.
Early voyagers relied on the stars and primitive maps to navigate the vast, uncharted waters of the Pacific.
The spacecraft was designed to act as a silent voyager, transmitting data back to Earth as it drifted into the cold vacuum of interstellar space.
From voyage + -er.
Often used in historical or science-fiction contexts rather than for modern commercial travel.