The wife in "The Wife's Lament" thinks her husband is A. suffering great sadness.
He was forced to leave her and the town he was living in, although it is not explained why this is the case. His wife is devastated, and believes that he is in great pain because he had to abandon her. This is why she wants to go and find him, in order to be with him again.
I think it's like holding a grudge
Forceful language is language intended to intimidate or forcefully persuade a person with whom you're speaking. It can even include curse words, or can include different intonation elements such as yelling.