Jesus expected his disciples to imitate him in the sense of itinerant preaching and being vilified for it just like him, not sitting around living a holy life in isolation

And as ye go, preach, saying, The kingdom of heaven is at hand. ... But when they persecute you in this city, flee ye into another: for verily I say unto you, Ye shall not have gone over the cities of Israel, till the Son of man be come. The disciple is not above his master, nor the servant above his lord. It is enough for the disciple that he be as his master, and the servant as his lord. If they have called the master of the house Beelzebub, how much more shall they call them of his household?

-- Matthew 10:7, 23ff. 

Mary the mother of Jesus attempted a family intervention

 

A plot for His assassination was secretly on foot. And at this juncture the incident of my text, which we owe to Mark alone of the Evangelists, occurs. Christ’s friends, apparently the members of His own family--sad to say, as would appear from the context, including His mother--came with a kindly design to rescue their misguided kinsman from danger, and laying hands upon Him, to carry Him off to some safe restraint in Nazareth, where He might indulge His delusions without doing any harm to Himself. They wish to excuse His eccentricities on the ground that He is not quite responsible--scarcely Himself; and so to blunt the point of the more hostile explanation of the Pharisees that He is in league with Beelzebub.

Conceive of that! The Incarnate Wisdom shielded by friends from the accusation that He is a demoniac by the apology that He is a lunatic! . . . 

There is nothing that commonplace men hate like anything fresh and original. 

-- Alexander Maclaren (1826-1910), Exposition on Mark 3:21