trial, trials, proving, on trial, sue

Definition:

The term "trial" refers to a situation in which something or someone is "tried" or tested.

A trial can be a judicial hearing in which evidence is given to prove whether a person is innocent or guilty of wrongdoing.
The term "trial" can also refer to difficult circumstances that a person goes through as God tests their faith. Another word for this is "a testing" or "a temptation" is one particular type of trial.
Many people in the Bible were tested to see if they would continue to believe and obey God. They went through trials which included being beaten, imprisoned, or even killed because of their faith.