From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
ally //æˈlaɪ// //əˈlaɪ// //ˈælaɪ// //ˈæˌlaɪ// <n>
1. アライ
person who is not a member of the LGBT+ community but is supportive of it
2. 味方
person, group, concept, etc., which is associated with another as a helper
3. 同盟国, 味方
person, group, state, etc., which is associated or united by treaty with another for a common (especially military or political) purpose