The term is masochism, and the person is a masochist.
Gratitude Honor Pride
The word could be "nitpicker."
The word stoicism is a noun. Stoicism is an indifference to pleasure or pain.
masochist
German. There is not an English word for it, but for us I believe it means pleasure from others pain.
A sadist is someone who derives pleasure or enjoyment from inflicting pain, suffering, or humiliation on others.
comfort, health, well-being, happiness, joy, cheer, pleasure
"Delight" is a word that rhymes with "tonight" and is a description of finding joy or pleasure in something.
Douce-amère in the feminine singular and doux-amer in the masculine singular are French equivalents of the English word "bittersweet," which combines a recognition of pleasure and pain. The pronunciation of the compound adjectives will be "doo-sa-mer" in French.
The word for pleasure in Sanskrit is "Ananda."
A selfish man because if that was him he would not have been laughing or finding joy in another man's pain.
The word 'pleasure' is a noun.