Jihadists are a subset within Islam.
Similar to white supremacists being a sub-set within Christianity.
Except, Christianity has no scripture text similar to this from Islam;
"
Hadith: I have been commanded to fight people until they testify that there is no god but Allah and that Muhammad is the Messenger of Allah, establish prayer, and pay Zakah "
Hadith: I have been commanded to fight people until they testify that there is no god but Allah and that Muhammad is the Messenger of Allah, establish prayer, and pay Zakah - Encyclopedia of Translated Prophetic Hadiths
hadeethenc.com
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OR:
Allah's Messenger (ﷺ) said: "I have been ordered (by Allah) to fight against the people until they testify that none has the right to be worshipped but Allah and that Muhammad is Allah's Messenger (ﷺ), and offer the prayers perfectly and give the obligatory charity, so if they perform that, then they save their lives and property from me except for Islamic laws and then their reckoning (accounts) will be done by Allah."
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Narrated Ibn 'Umar: Allah's Messenger (ﷺ) said: "I have been ordered (by Allah) to fight against the people until they testify that none has the right to be worshipped but Allah and that Muhammad is Allah's Messenger (ﷺ), and offer the prayers perfectly and give the
sunnah.com
OR:
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Ibn 'Umar (May Allah be pleased with them) reported: The Messenger of Allah ﷺ said, "I have been commanded to fight people till they testify 'La ilaha illallah' (there is no true god except Allah) that Muhammad ﷺ is his slave and Messenger, and they establish Salat, and pay Zakat; and if they do this, their blood (life) and property are secured except when justified by law, and it is for Allah to call them to account".
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i have been commanded to fight people till they testify 'la ilaha illallah' (there is no true god except allah) that muhammad () is his slave and messenger, and they establish salat, and pay zakat; and if they do this, their blood (life) and property are secured except when justified by law, and...
www.islamicity.org