A conventionalist would say that Dave's actions fit the concept of supererogatory morality.
Supererogatory morality refers to actions that are beneficial to society, are not mandatory, but are considered laudable and admirable. This type of morality is aimed at people like Dave, who voluntarily helps people in need and organizes the work of other volunteers, that is, Dave promotes beneficial, commendable and non-mandatory actions.
It is important to emphasize that the conventionalist is a philosopher who analyzes:
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