Instead of saying waiter or waitress, say "server."
It's still OK , but you may say forebears if you are not comfortable with gender specific terms.
Norms are the conceptions of appropriate and expected behaviour that are held by most of the members of the society.
Customers
mountains
informal
What do you mean by term Healthy society
yes, the undertaker is an apporpiate term
The appropriate term to use when referring to a step-grandmother is "step-grandmother."
Perhaps I do not understand the term 'dating on demand.' Most people in today's society use dating services. You would create a profile and the service would match your profile with others that share your interests and/or beliefs. If you and the matched person were both agreeable to it, then you would set up a date.
They were played by little people (todays term for what then were called midgets).
The appropriate term to use for step-grandparents in a blended family is "step-grandparents."
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