A person who goes on a mission is often referred to as a "missionary" if their purpose is religious or spiritual. In a broader context, they can be called an "agent," "envoy," or "delegate," depending on the nature of the mission. Additionally, in military or exploratory contexts, they may be termed "operatives" or "expeditions." The specific term can vary based on the mission's goals and context.
A person who goes up in a balloon is called a passenger or a balloonist.
A person who goes into water headfirst is called a diver.
A person who goes on a pilgrimage is called a pilgrim.
Anyone who goes into space is called an Astronaut, or Cosmonaut.
# ====== ---- ====== ====== That person is called a canadient
this person is called a pedestrian
A quitter!
whooo
A person who is not a member of Congress but goes there to speak about and to advance a particular cause is called a lobbyist.
this person is called a soldier
it has come out it is called ''pop goes the goo goo'' and you get holga
They are treasonous and are called traitors.