Which of the following best describes Robin's quality trait displayed in not spending the society's money at the party?

Directions: Read the following two scenarios and answer the question that follows:

Scenario-1
Kavita knows that it is her brother Rohit who has stolen the money from her mother’s purse. Their mother unknowingly, doubts the servant of being the thief and decides to fire him from the job. Kavita later tells her mother the truth. The mother feels guilty for suspecting the poor servant and applauds Kavita for not showing any undue favour towards her younger brother.

Scenario-2

Robin is the treasurer of his school’s cultural society and is very sincere in his duties. He gets grant to organize the annual fair, from which he manages to save Rs.200 this time. His friend asks him not to return the money and use it for post-fair party. Robin goes to the party with friends but after depositing the money back in the society’s account.