Also, as a Christian one need not be defined by a denominational label, but you can't have any sort of doctrine without making a distinction from other doctrine, and thus all doctrine can be labelled. It is not wrong to live within one's label, or even define another, it is wrong to falsely label or judge before understanding.
Doctrine, labels - In my opinion, it's all borders and also props (supports, legs) of immature faith. This is a kind of cradle of the limits within which the baby in security, both from external influence and from their own unconscious actions.
Their need doctrine and schoolmasters becasue they are susceptible to various kinds of teachings
Eph 4:11 It was he who gave some as apostles, some as prophets, some as evangelists, and some as pastors and teachers,
Eph 4:12 to equip the saints for the work of ministry, that is, to build up the body of Christ,
Eph 4:13
until we all attain to the unity of the faith and of the knowledge *of the Son of God* – a mature person, attaining to the measure of Christ’s full stature.
Eph 4:14
So we are no longer to be children,
tossed back and forth by waves and carried about by every wind of teaching by the trickery of people who craftily carry out their deceitful schemes.
As you can seen Paul also using the word 'wind' and also saying about babes, who don't know about what kind of teaching, which wing the teachings brought.
In fact, and John and Paul speak of the fact that a born again cannot distinguish between sources of all spiritual teachings, for this reason he needs teachers, Apostles, Teachers, etc. Until they will able to.
Heb 5:13 For everyone who lives on milk is inexperienced in the message of righteousness,
because he is an infant.
1Cor 3:1 And I, brethren,
could not speak unto you as unto spiritual, but as unto carnal, [even]
as unto babes in Christ.
1Cor 3:2
I have fed you with milk, and not with meat: for hitherto
ye were not able [to bear it],
neither yet now are ye able.
1Cor 3:3 For ye are yet carnal: for whereas [there is] among you envying, and strife,
and divisions, are ye not carnal, and walk as men?
Until they will able to.
Heb 5:14
But strong meat belongeth to them that are of full age, [even] those who by reason of use have their senses exercised to discern both good and evil.
1Cor 2:15
But he that is spiritual judgeth all things, yet he himself is judged of no man.
The older the person, the less he needs crutches (props). The truth of the old nature to cling to various external attributes or even a different kind of mindset. And all these doctrinal, denominational differences included teachings and possessiveness of any kind of spirutual gifts to a specific time begin a subject of pride and exclusivity for their human-minded.
1Cor 4:7 For who concedes you any superiority? What do you have that you did not receive? And
if you received it,
why do you boast as though you did not?
Personally to me it is not that I rejecte. I look at it as a given, as necessary, it is what it is, but only for be able to see and stat working on them.