An other, another (person, etc), more often rendered as another.
I'm afraid little Robbie does not always play well with others.
The other one; the second of two.
One boat is not better than the other.
To regard, label or treat as an "other", as not part of the same group; to view as different and alien.
To treat as different or separate; segregate; ostracise.
Other people.
I treat others like I treat myself.
Those remaining after one or more people or items have left, or done something else, or been excluded.
Two decided to hide, the others surrendered. I kept two special jars and threw away all the others.