For further research: Confirm the spelling or provide a source where "Abachanel" is used. End of report
However, given the phonetic similarity, it is almost certain that you are referring to (often misspelled or misheard as "Abachanel" due to accent or transcription errors). Attali is a famous French economist, writer, and advisor. Alternatively, it could be a misspelling of Abacha (the former Nigerian dictator) or a rare surname. abachanel