We can use other as a pronoun. As a pronoun, other has a plural form, others: We have to solve this problem, more than any other, today. I’ll attach two photos to this email and I’ll send others tomorrow.

“Others” is the easiest of the group to understand. It’s only the plural form, meaning we’re talking about more than one “other” in the sentence. The plural form just shows that there are multiple instances of “other.” We don’t talk about any possessions or objects; we just list the “others” that we know and are talking about.