Is this sentence correct ?

Question

He was fired because he had committed breach of trust. 

Answer 1

Favorite Answer

It would be better if you were to write:

He was fired because he had committed a breach of trust.

He was fired because he had committed several breaches of trust. 

Answer 2

Yes. But it would be better as: 

"He was fired because he had committed a breach of trust."

Answer 3

A breach of trust can be for many reasons. Be specific or use another term. Don't be vague when mentioning such a serious offense. 

He was fired for committing a breach of trust involving misuse of company funds, divulgence of client personal information, failure to report business transactions, etc...

Answer 4

"a breach of trust."

Answer 5

Yes, in a way.  The term "breach of trust" is being used as a noun to represent the thing that, literally, would be the act of breach of trust.  In a more literal form, you would be expected to speak about A breach of trust, there was a breach.  But it is not wrong to use a somewhat euphemistic form "breach of trust" as a generic term in replacement of an act of breach of trust, or a breaching of trust, or he breached the trust of those he was obliged to provide trustworthy services or acts, or any of the other possible ways to declare that violation of an expected duty.