marginalization

noun marginalization

• relegation — to send or consign to an inferior position, place, or condition: He has been relegated to a post at the fringes of the diplomatic service.
• demotion — to reduce to a lower grade, rank, class, or position (opposed to promote): They demoted the careless waiter to busboy.
• downgrading — Present participle of downgrade.
• disregarding — to pay no attention to; leave out of consideration; ignore: Disregard the footnotes.
• ostracism — exclusion, by general consent, from social acceptance, privileges, friendship, etc.