He encountered an angel who informed him that his prayers were recognized and his offerings accepted (cf. Acts 10:3-4).
Those who adhere stringently to the commandments encourage us to oppose the insubordinate, refrain from giving what is sacred to those unworthy (cf. Matt. 7:6, Matt. 15:26; Mk. 7:27), view those who scorn the Church as outsiders, and expel from the whole body the part susceptible to leading others astray (cf. Matt. 5:30, Matt. 18:8-9; Mk. 9:42-48). These individuals provoke division within the Church, attempting to separate the wheat from the tares prematurely (cf. Matt. 13:29-30). Yet, in their blindness to such deception, they find themselves alienated from communion with Christ.
For instance, the individual who cast out demons in Christ’s name, while not aligning himself with His disciples, was undoubtedly not opposed to them, as he exercised authority in the name of Christ; however, in failing to follow their lead, he was not among them and thus acted against them. When the disciples sought to prohibit him from performing the very act in which he was aligned with them, the Lord instructed, “Do not hinder him.” What ought to have been restricted was his actions outside of their fellowship, to foster the unity of the Church (cf. Lk. 11:23).