HARM: An involuntary reduction in an agent's welfare (Def.).
WELFARE: The extent to which an agent's goals and interests are fulfilled (Def.).
Premises:
1. Alfie has invested time and effort earning the money to buy a bicycle, which he uses regularly. Hence,
2. The bicycle contributes to Alfie's welfare.
3. Bruno steals Alfie's bicycle (he takes the bicycle without Alfie's permission, thereby denying Alfie the use of it).
Conclusion: Bruno's act has harmed Alfie.
A proposition is objective if its truth conditions are public. If the premises of an argument are objective, then so is the conclusion.
Which of the above premises are not objective?
They act to secure what they deem to be good. If the good sought is a means good people can be mistaken about whether the good is actually useful or necessary for securing the end good for which the good sought is believed to be a means. But their aim, intention, in acting is to improve their welfare. If you disagree, please cite an exception.No, not all humans act to "increase their welfare".