He was a Catholic but didn't practise his religion.

他那时是天主教徒，但并不实践信仰。

youdao

Being no stranger to plots and intrigue, Robert Catesby, a notorious Northamptonshire catholic, now felt the time was right to strike a blow for his religion.

罗伯特·卡特斯比，一位熟稔阴谋和奸计、声名狼藉的北安普顿郡天主教徒，觉得现在恰逢其时来捍卫他的宗教信仰。

youdao

He was a Catholic but didn't practice his religion.

他那时是天主教徒，但并不实践信仰。

youdao

Missions were places where Roman Catholic religious leaders converted people to the Christian religion.

VOA: special.2010.12.29

He used religion to organize Mexican farm workers who were Catholic.

VOA: special.2009.09.06

Notice that there is no mission of pursuing the Catholic religion- only of pursuing the Catholic caring tradition.

FORBES: ACA's Contraception Requirement Is Right But The Defenses Being Offered In Support Are Often Wrong

Though the attorney would not provide the religious affiliation of the clergyman who allegedly molested Foley, Foley lists his religion as Catholic, according to a congressional directory.

CNN: Attorney: Clergyman molested Foley as teen

Andrew Greeley sought to explain the Catholic religion to believers and to analyze the Catholic Church for scholars, while doing battle with the church's leaders.

WSJ: Rev. Andrew Greeley Dies at 85