Leave the Artillerymen alone, they are an obstinate lot.
Obstinate people can be divided into the opinionated, the ignorant, and the boorish.
An obstinate person does not hold opinions; they hold them.
Presumption will be easily corrected; but timidity is a disease of the mind more obstinate and fatal.
resolute, adj. Obstinate in a course that we approve.
It's only by being obstinate that anything is got, or done.
I am obstinate and I will not give in.