"le" basically means "him" or "her", that is, similar to "he" or "she", but used as a direct or indirect object. Examples, from Real Academia Española:
Le dije
Dale el libro (Here, the "le" is added to the verb "da".)
Like in Spanish is gusta. It is usually used with le.
Le pravda is not Spanish or English. If you can tell me what it means in English, I can translate it into Spanish for you.
Le gusta. Le da placer.
le perdono means I forgive in spanish.
to like
help them
Spanish: - Nadie le gusta
Also: Le he dado indicaciones. Le he dado instrucciones. Le di indicaciones. Le di instrucciones.
¿Porqué le gusta español? = "why do you like Spanish" or "Why does he/she like Spanish" (without the accent mark, it could mean, because you like spanish or because he/she likes spanish.)
¿Le entiende / entienden / entiendes / entendéisal español?
¿A ella le gusta a ti?
Le necesito