The phrase "anchor him" is correct and usable in written English.
It can be used in contexts where you want to suggest stabilizing or grounding someone, either emotionally or physically.
Example: "In times of uncertainty, it's important to anchor him with reassurance and support."
Alternatives: "ground him" or "stabilize him".
Fellow performers anchor him, too.
The loss left Mr. Iyer searching for something beyond a building and furniture, perhaps something invisible, to anchor him.
He's lucid most of the time, and his loving wife, Samantha, played by Jessica Chastain — the warmest actress of her generation — does everything she can to anchor him in some sort of graspable reality.
They are neither of them normal and, while I am sure she is lovely and smart, it seems to me she is entirely diminished by having to "anchor him in the real world".
Throughout the book, he furiously attempts to hold on to what can be kept: mittens, hats, rings, as if they have the power to anchor him to the world.
Though yesterday's 10-furlong contest represented a drop in class which he started 5-4 favourito to win, he completed his task with such conspicuous enthusiasm it took rider Kevin Manning some time to anchor him after the finish.
And she, it seemed, anchored him – at least for a while.
"She's had a tremendous effect in anchoring him, in calming him down, in making him feel it's O.K. to be scared, it's O.K. to be upset, it's O.K. to fail," Lynn Mamet says.
He's had some very strong relationships, but the music is absolutely central". Guest traces Davies' productivity to a fear of drying up - and to the depression he says his school friend suffered before life on Hoy anchored him.
And not long afterward, the Marines began processing his medical discharge for post-traumatic stress disorder, severing his link to the Reserve unit that anchored him and sending him off to seek help from veterans hospitals.
In the course of his 67 years, Trollope published more than 40 novels including two series (the Barchester Chronicles and the Pallisers) that anchored him in the public mind as the model of the Victorian literary man.
