It is befitting that Jehovah, for whom are all things and by whom all things are, in bringing many sons unto glory, made the captain of their salvation perfect through sufferings.
For both Jesus that sanctifies and they who are sanctified are one. So He is not ashamed to call them His Brothers. Hebrews 2:10-11
“I will declare Jehovah’s character unto My brothers. In the midst of the congregation will I sing praises unto you.” Hebrews 2:12 & Psalms 22:22