be one

See: unite
References in classic literature ?
There are talkers enough among us; I'll be one of the doers.
That's not bad," he asserted, "for a girl whom the New York Herald declared, a few weeks ago, to be one of the most brilliant young women in English society.
It became painful to Rachel to be one of those who write Keats and Shelley.
Yes, Lady Clarinda shall be one of us; and you shall sit next to her, Mr.
Suckling, who happens to be one of their nearest neighbours.
The cleverest character in comedy is the clown, for he who would make people take him for a fool, must not be one.
And you would like," he continued, "to be one of the rich ones - to take your place amongst them on equal terms.
From all which proofs it is evident that the virtues of a citizen cannot be one and the same.
I would have been permitted to claim for a mortgage under the rules but I didn't and that may be one of the reasons I am one of the lowest claiming MPs.
I am also a Tesco supporter and pleased to be one because Tesco gives value for money.