When a Muslim is given the chance to share what Allah has taught them, they should seize the opportunity rather than letting self-doubt or overthinking hold them back. Teaching others should not be viewed as a status that might lead to spiritual pitfalls; rather, it is an Islamic obligation fulfilled according to one's capacity.
A person who has memorized the Quran can assist others in their memorization. Someone who has studied certain areas of jurisprudence can teach what they have learned in those specific areas, even if they have not yet covered all topics.
The Prophet (peace be upon him) said: "Pass on from me, even if it is a single verse." [al-Bukhaari, 3461]
Delaying the act of teaching when one is able to do it today means potentially missing out on the immense reward Allah has promised. The Prophet (peace be upon him) said: "Whoever guides others to righteousness receives a reward equivalent to those who follow that guidance, without diminishing their reward at all." [Muslim, 2674]
Shaykh Abd al-Azeez ibn Baaz (may Allah have mercy on him) advised that students of knowledge should engage in multiple beneficial activities simultaneously — studying, inviting others to Islam, advising, teaching, and promoting reconciliation. One should not confine themselves to a single pursuit when they can contribute to many areas of good.
This was the way of the Companions and those who followed them faithfully: they participated in every endeavor that benefited the community.