Only the Girl Scout is capitalized.

It should be Girl Scout leader.

Yes, you should capitalize the title "Boy Scout Leader" as it is a formal title.

A cub scout leader organizes his group. The scout group is comprised of boys with ages between 7 to 11 years old.

" A scout is trustworthy."

Lying would certainly be a breach of values a scout leader is supposed to be modelling.

Exactly what would happen would depend on the circumstances.

Anyone who knows a lot about nature and who trains to be a Scout leader.