The term "Islamic Great Eastern Raiders-Front" is a specific and narrow phrase that is not often used in general conversation or writing. However, if one were to look for synonyms or alternative ways of expressing the same concept, they might consider phrases such as "Islamic militant group in the Middle East", "Jihadist organization in the Eastern region", "Islamic Front for the Liberation of the East", or "Radical Islamic fighters in the Eastern hemisphere". It's important to note that while these phrases convey a similar meaning, they may not be interchangeable depending on the specific context and connotations of each term.