Yes Jews are Israelites but not all Israelites are Jews.
Revelation 2:
9 ... I know the blasphemy of them which say they are Jews, and are not, but
are the synagogue of Satan.
10 Fear none of those things which thou shalt suffer: behold, the devil shall cast
some of you into prison, that ye may be tried; and ye shall have tribulation ten days: be thou faithful unto death, and I will give thee a crown of life.
Revelation 6:9 And when He had opened the fifth seal, I saw under the altar the souls of them that were slain for the word of God, and for the testimony which they held:
10 And they cried with a loud voice, saying, How long, O Lord, holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?
11 And white robes were given unto every one of them; and it was said unto them, that they should rest yet for a little season, until their fellowservants also and their brethren, that should be killed as they
were, should be fulfilled.
Revelation 12:17 And the dragon was wroth with the woman, and went to make war with the remnant of her seed, which keep the commandments of God, and have the testimony of Jesus Christ.
Isaiah 8:16 Bind up the testimony, seal the law among My disciples.
18 Behold, I and the children whom the LORD hath given Me
are for signs and for wonders in Israel from the LORD of hosts, which dwelleth in mount Zion.
20 To the law and to the testimony: if they speak not according to this word,
it is because
there is no light in them.
Revelation 3:9 Behold, I will make them of the synagogue of Satan, which say they are Jews, and are not, but do lie; behold, I will make them to come and worship before thy feet, and to know that I have loved thee.
10 Because thou hast kept the word of My patience, I also will keep thee from the hour of temptation, which shall come upon all the world, to try them that dwell upon the earth.
Revelation 2:22 Behold, I will cast [Jezebel] into a bed, and them that commit adultery with her into great tribulation, except they repent of their deeds.
23 And I will kill her children with death; and all the churches shall know that I am He which searcheth the reins and hearts: and I will give unto every one of you according to your works.
James 2:20 But wilt thou know, O vain man, that faith without works is dead?