'Elder' in the Bible

"Now his elder son was in the field. As he came near to the house, he heard music and dancing.

it was said to her, "The elder will serve the younger."

the elder women as mothers; the younger as sisters, in all purity.

Don't receive an accusation against an elder, except at the word of two or three witnesses.

I exhort the elders among you, as a fellow elder, and a witness of the sufferings of Christ, and who will also share in the glory that will be revealed.

Likewise, you younger ones, be subject to the elder. Yes, all of you clothe yourselves with humility, to subject yourselves to one another; for "God resists the proud, but gives grace to the humble."

The elder, to the chosen lady and her children, whom I love in truth; and not I only, but also all those who know the truth;

The elder to Gaius the beloved, whom I love in truth.