1. Used to refer to an additional person or thing of the same type as one already mentioned or known about; one more; a further.
2. Used with a proper name to indicate someone or something's similarity to the person or event specified.
3. Used to refer to a different person or thing from one already mentioned or known about.
Hargun asked Gursharan to have another drink.
Hargun said, let's eat another ice-cream.