Good Character

Q: I heard that its better to give money or pay somebody with your left hand and when you receive, its better to use the right hand. Is there anything like this in Islam?

Q: If I laugh at a person who is good and righteous, helps elderly people others and respects teachers, etc., does it lead to kufr?

Q: Is sitting cross legged permissible? 

Q: Is making fun of the name "Maryam" kufr?

I mean if one was to say Maryam Taryam and laugh, is it kufr. Taryam means dust-bin in Algerian language.

Q: "And among the signs of His power is the creation of the heavens and the earth and diverse language and skin color. Surely, with that situation actually there are signs for people who know" (Ar-Rum:22)

According to an intrepretation. If I make fun of someone speaking in other language which seems funny, is it as if I made fun of a language (Allah's sign) and thereby kufr?

Q: I want to ask about gheebat, is it a major sin in Islam as well as telling lies? If someone is cheating others and I know that he is a cheater and if someone ask me about him, what should I do? Should I make gheebat and tell them that he is a cheater or should I tell a lie?

Q: Is it kufr to backbite a Muslim to a non Muslim? Also is it kufr to complaint against a Muslim to a non Muslim if he has harmed you for the purpose of correcting him so that he doesn’t do the same mistake again?

Q:

1. What is the sin for a person going against his word and lying?

2. How important is the word of a Muslim?

3. Will you be rewarded for making sabar on something you were cheated on?

Q:

1. Is it permissible to stretch one's legs in front when elders are sitting in front?

2. Is it permissible to jump over one's parents to reach the other side when one's parents are sleeping? 

Q: My question is that telling truth is more important or hiding someones sins (faults)?