This is the 18133rd most frequent Russian word.
христианином
A Christian (male).
The word "христианином" is used in the instrumental case, describing the role or characteristics the person aims to embody.
Он всегда старался быть настоящим христианином.
He always strove to be a true Christian.
The term "христианином" refers to a person identified by their religious affiliation in the instrumental case, often used in descriptive contexts.
Она познакомилась с христианином, который был весьма образованным.
She met a Christian who was very educated.
Here, "христианином" is used in the instrumental case, indicating interaction or association with a person characterized by their religion.