Pathological Altruism

Behavior in which attempts to promote the welfare of another, or others, results instead in harm that an external observer would conclude was reasonably foreseeable.

Reference:

Oakley, B. A. (2013). Concepts and implications of altruism bias and pathological altruism. Proceedings of the National Academy of Sciences, 110 (supplement_2), 10408-10415. https://doi.org/10.1073/pnas.1302547110