What may be the difference between the usage of 自尊心 ,誇りand 自慢?

Question

I read a paragraph and the paragraph contains the word 自尊心.
I want to know meaning of 自尊心.
Dictionary says 自尊心 = pride.
Is it same with 誇り? or 自慢?

What may be the difference between the usage of these words?
Thanks for your interests and replies.

Answer 1

• 誇り is a kind of pride concerned with your characteristics like: membership to some group (i.e., nationality, alumnus status, etc.), your belief, activity, or achievement.

誇りを持って仕事をしている
日本人であることに誇りを感じている

• 自尊心 is the pride about being yourself, and is not tied to any of the particular characteristics mentioned above.

自尊心を持つことは、よい人格形成にとって必要だ
犬の自尊心を育てるためには、小さいときに他の犬と一緒に過ごさせることが重要だ

• 自慢 is the act of showing off something related to yourself, like the characteristics mentioned above, or your belongings.

スネ夫がラジコン飛行機を自慢した
出木杉君は、試験の結果がよくても、決して自慢はしない