Answer 1

Jihad refers to fighting the enemy.Jihad cannot change meaning,it always used to refer to fighting the enemy and will still refer to fighting the enemy.

Answer 2

There are a wide number of definitions for what jihad means. It refers to struggle or striving and can be applied to situations as innocuous as exercising (a jihad against laziness) or situations as violent as offensive warfare (a jihad against the unbelievers). This is because the term is open to numerous interpretations and meanings and jurisprudential applications.