This is the 9475th most frequent Japanese word.
筆頭
"筆頭" means "the top-ranking person or the first on a list."
筆頭 is used to mean 'top' or 'leading,' indicating the foremost position or ranking.
彼は会長の筆頭候補です。
He is the top candidate for the president position.
筆頭 is used to mean 'foremost,' highlighting the primary example in a list or discussion.
筆頭に挙げられる例はこれです。
This is the foremost example raised.
筆頭 is used to signify 'leading' or 'primary,' describing the foremost shareholder in a business context.