The antonyms for the term "more pleasure-loving" can be a range of terms. It can be someone who is more austere, frugal, serious, or disciplined. These individuals may prioritize responsibilities over indulgences, avoiding unnecessary extravagance or luxury. They may also have a more moderate approach to their pleasures, only seeking them out in moderation. Other antonyms can include words such as ascetic, self-denying, stoic, or self-controlled. These individuals may favor self-restraint and discipline over seeking out pleasure in excess. In contrast to a pleasure-loving individual, they may prioritize their personal values over their desires.