She was my sponsor when I was applying for Party membership.

她是我的入党介绍人。

《新英汉大辞典》

He applied for party membership.

他申请入党了。

youdao

He applied for Party membership.

他是入党申请人。

youdao

The ruling EPRDF, on the other hand, can claim a nationwide party membership of 4.5 million, and a resounding victory in last year's local council elections.

VOA: standard.2009.11.01

The Twelfth Annual Grammy Block Party and Membership Celebration was held May eleventh.

VOA: special.2010.05.17

Labour party membership has fallen from 405, 000 in 1997 to 361, 000, according to the most recent figures.

BBC: Hague membership drive falters

And I think with an enthusiastic, inspired Labour Party membership, which I believe I can do, we can achieve that.

BBC: INTERVIEW WITH: PETER HAIN

Spokesman Stuart Gulleford said Mr Ryall's party membership had been "terminated" because "we do not allow BNP members to be in UKIP".

BBC: Wickham candidate's BNP link leads to UKIP expulsion