Reluctant (adjective)

1. Unwilling and hesitant; disinclined to do something.
2. Resistant to being moved or persuaded.

Origin:

Late middle english: from latin reluctant- "hesitating", from the verb reluctari, from re- (expressing opposition) + luctari "struggle".

Examples:

1. He was reluctant to give up his job.
2. She was reluctant to go to the party.
3. He was reluctant to change his opinion.
4. She was reluctant to get involved in the matter.
5. The government is reluctant to take action.