This is the 719th most frequent Persian word.
صاحب
Owner; master; possessor.
In this sentence, 'صاحب' refers to someone who owns or possesses something, specifically a company.
او صاحب شرکت بزرگی است.
He is the owner of a large company.
Here, 'صاحب' refers metaphorically to someone who has or possesses qualities, in this case, knowledge and wisdom.
صاحب علم و دانش، همیشه مورد احترام است.
A person possessing knowledge and wisdom is always respected.
In this example, 'صاحب' is used to denote possession of an object, specifically a book.