There are a few options for synonyms for the term "management consultant." Firstly, the term could be shortened simply to "consultant," as this generally implies that the individual is providing management advice and support. Other options might include "business advisor," "strategy consultant," or "organizational consultant," all of which suggest a focus on helping organizations with management-related challenges. Within the field of management consulting, there are also many sub-specialties, such as operations consulting, human resources consulting, or finance consulting, so using specific titles that reflect a consultant's area of expertise may also be appropriate. Ultimately, it's important to choose a synonym that accurately reflects the specific services and expertise that a particular consultant provides.