A person who tends to find things bothersome and dislikes effort; someone who avoids bother.
彼は面倒くさがりで、郵便物の整理を後回しにしがちだ。
He's a procrastinator who finds things bothersome and tends to put off organizing his mail.
面倒くさがりの友達と一緒だと、外食が多くなる。
When I'm with a friend who dislikes hassle, we end up eating out more often.
面倒くさがりの人は掃除を簡単にするコツを喜んで受け入れる。
People who dislike hassle are happy to accept tips for making cleaning easier.