Whether you are organizing a small get together at your place, introducing your client to your boss or simply bringing your new beau to meet your parents for the first time, following proper introduction etiquette can help avoid awkwardness.
Grandma, this is Emily my best friend” then turn to Emily:
James, this is my friend Emily Gauthier.”
Title and nobility
Someone with a title such as a Senator, Mayor, Lord, Lady, Doctor, Judge, Colonel etc.
Always introduce your boss or higher-ranking person to the lower ranking in the company.