Do Latter-day Saints consider Jehovah's Witnesses, Biblical Unitarians and any other groups that deny the divinity of Jesus to be 'true Christians'?

Is belief in the divinity of Jesus an essential feature of a true Christian, according to Latter-day Saints? If so, would that imply that Christian denominations or groups that deny the divinity of Jesus, such as [Jehovah's Witnesses and Biblical Unitarians](https://christianity.stackexchange.com/a/82573/50422) , by definition, cannot be truly Christian? **Note**: By true Christian I mean whatever Latter-day Saints mean by someone who is walking the narrow path that leads to salvation, according to the **perfect** will of God, following the example set by Jesus Christ for all believers to come.