As for your (2), ... Maitrī (Sanskrit; Pali: mettā) means benevolence,[1] loving-kindness,[2][3] friendliness,[3][4] amity,[4] good will,[5] and active interes

As for your (2), ... Maitrī (Sanskrit; Pali: mettā) means benevolence,[1] loving-kindness,[2][3] friendliness,[3][4] amity,[4] good will,[5] and active interest in others.[4] It is the first of the four sublime states (Brahmaviharas) and one of the ten pāramīs of the Theravāda school of Buddhism. https://en.wikipedia.org/wiki/Maitr%C4%AB https://en.wikipedia.org/wiki/Maitr%C4%AB