## thinks himself to be religious  ##

"thinks he worships God correctly"

## control his tongue ##

"tongue" is a metonym that could be translated as "what he says." (See: [[rc://en/ta/man/translate/figs-metonymy]])

## he deceives ##

"fools" or "tricks" or "misleads"

## his heart ##

Here "heart" is a synecdoche meaning the whole person. This could be translated as "himself." (See: [[rc://en/ta/man/translate/figs-synecdoche]])

## his religion is vain ##

"his worship is worthless"

## Pure and undefiled religion before our God and Father is this ##

"Pure and undefiled" is a doublet that emphasizes what is acceptable to God. This could be translated as "This is the worship that God will accept." (See: [[rc://en/ta/man/translate/figs-doublet]])

## the fatherless  ##

<b>the fatherless <b>- "those who do not have a father" or "the orphans"

## widows in their affliction  ##

<b>widows in their affliction <b>- the women who are suffering because their husbands have died

## to protect oneself the world's corruption  ##

to not allow the evil in the world to cause you to sin.