No, "oblige" does not mean that a person is stubborn. Instead, it refers to the act of making someone feel bound to do something, often out of a sense of duty or obligation. A person who is obliging is typically willing to help or accommodate others, which is quite the opposite of being stubborn.
The person is stubborn or unyielding
nice bubbly person sometimes stubborn
It can mean that something is difficult or that a person is stubborn.
Resistant to authority, stubborn. Difficult to deal with. Usually refers to a person.
if you oblige me that would be very good of you.
A stubborn person
The abstract noun is obligation.
Yes, "stubborn as a mule" is a metaphor implying that the person is very stubborn, just like a mule known for its stubborn nature.
oblige art is a thing that you do
The prefix of "oblige" is "ob-".
stubborn
stubborn