Jehovah's Witnesses call God Jehovah because they think it's the closest English word for God. ... For some people, this is a comforting ritual that reminds God is holy and the name of God is also holy. Writing "G-d" is not a law but just a custom that helps make life more reverent for some observant Jews.

What does HaShem mean?

noun. : an act in contravention of Jewish religious or ethical principles that is regarded as an offense to God — compare kiddush hashem.

What does HaShem mean in Hebrew?

Hashem (Hebrew: השם‎‎) is a title used in Judaism to refer to God. It is also a given name and surname.