There were multiple Gemini missions into space because there was a lot of work and research that needed to be done.
People,couple or group.
Believing in more than one god is called Polytheism. Such a person is a Polytheist.
The person who does more than necessary to be successful could be termed an overachiever.
the gemini...
Talented
rich
A person who speaks more than one language is called a polyglot.
mineralogistes or without the -es just -s
A person who knows more than one language is called a multilingual individual.
Multi-tasker. ----------------- Multi-Talented
Generally speaking a Taurus - Gemini relationship tends to be harmonious.