The part of a sentence "consistent person" is correct and can be used in written English.
You can use it when you want to describe someone who has a reliable and unwavering character. For example, "My friend is a very consistent person who can be trusted to always do the right thing."
"Steve is a very consistent person," Milbury said.
She's the closest, most consistent person I've had in my life.
"There is no consistent person who stays with you to help you sort through it".
Just about the only completely consistent person is John McCain, who's always spoiling for a fight.
He is a very consistent person - which is why I knew unequivocally that he would be a phenomenal president".
This is very clearly an issue that strikes at his core beliefs". Susan McManus, a political science professor at the University of South Florida, said: "He is a very ideologically consistent person.
This allowed for consistent person-specific retrieval of previous interactions and possibly anticipation of the speaker's intentions.
The researchers found about 1000 species total, which were fairly consistent from person to person; it turns out we all have similar tenants in our noses and on our backs.
"But we found that the snap judgements were so consistent from person to person that there does seem to be a good correlation between the relative width of the face and how people form impressions of them.
People saying, 'Please, you've got to do this' — it was so consistent, one person after another.
Images reach the eye in some peculiar fashion, and if that peculiar fashion is consistent, a person's visual system eventually, somehow, adjusts to interpret it — to perceive it, to see it — as being no different from normal.
