This is the 1919th most frequent Japanese word.
資格
Qualification; certification; license.
In this sentence, '資格' is used to mean formal qualifications or certifications necessary for a profession.
彼は医者として働く資格があります。
He has the qualifications to work as a doctor.
Here, '資格' is employed to indicate eligibility or entitlement to partake in something.
彼女はこの議論に参加する資格がある。
She has the right to participate in this discussion.
In this context, '資格' denotes suitability or worthiness as perceived for a certain role.