conjunction
Dated literary conjunction meaning 'therefore' or 'and so'. In modern Japanese, だから, それで, or したがって are more common.
彼は正直者だ。しかれば、人に騙されることもある。
He is an honest person. Therefore, he sometimes gets deceived by others.
conjunction
Archaic use as a discourse marker to change topic or prompt a response, similar to 'well then' or 'now then'. Not used in modern conversation.
しかれば、いかがお過ごしでございますか。
Well then, how have you been?