Final answer:
Lamont is not concerned about hurting another student's feelings.
Step-by-step explanation:
Based on the information given, we can conclude that Lamont is not concerned about hurting another student's feelings. The question states that Lamont is worried about unintentionally hurting another student's feelings, which implies that he may not intentionally hurt someone but is not concerned about the impact of his actions on others. Therefore, option 3) He is not concerned about hurting another student's feelings is the most appropriate conclusion.