Interesting fact: zemlyak is a Russian word for someone who "shares soil" with you. Like he's from same town/region as you. Guess it has additional meaning in context of 40k (Zemlya is Earth, soil/dirt and ground. Yes, all three. There are synonyms ofc, but still).
*"Embrace the Imperial Truth and become part of something great. A time where we as a species will finally achieve everything we have ever dreamed."* - *The Emperor.*