This looks somewhat related to the anthill theory. But where the alien race would like to lift the "ants" or humans to a level where they could comunicate with us.

Why would they do that? Beside being the good guys and being ok with it as Z.Schroeder suggested in his question, they might actually need us.

If the race would be something like eg. predators that uses artifact weapons they looted from other races, but are unable to produce their own. They might need our creative thinking, pattern recognition and ingenuity to help them produce new weapons for their hunts.

A friend of mine told me that the mage in an RPG would buy the largest armor and sharpest steel, and give it to the warrior, because he would need his allegiance and strength to protect the meek body of the spell caster, while he is casting spells. If the aliens are fighting someone else, they might need meat shields capable and stupid enough to fight for almost any reason (humans).

Just 2 of a large amount of possible reasons.

This looks somewhat related to the anthill theory. But where the alien race would like to lift the "ants" or humans to a level where they could communicate with us.

Why would they do that? Beside being the good guys and being ok with it as Z.Schroeder suggested in his question, they might actually need us.

If the race would be something like eg. predators that uses artifact weapons they looted from other races, but are unable to produce their own. They might need our creative thinking, pattern recognition and ingenuity to help them produce new weapons for their hunts.

A friend of mine told me that the mage in an RPG would buy the largest armor and sharpest steel, and give it to the warrior, because he would need his allegiance and strength to protect the meek body of the spell caster, while he is casting spells. If the aliens are fighting someone else, they might need meat shields capable and stupid enough to fight for almost any reason (humans).

Just two of a large amount of possible reasons.