unethical - immoral, dishonest, morally unacceptable⏎
specialist - expert, highly skilled person⏎
variable - changeable, non-uniform⏎
top flight - best, most successful, highest⏎
roadmap - plan, vision, milestones, project plan, masterplan⏎
train - teach, instruct, tutor, coach, mentor, educate, edify, nurture, develop, school, explain, impart (facts/information), prepare, prime, demonstrate, illustrate⏎
workforce - staff, labour force , labor force⏎
sample - tester, taste, example, small amount⏎
setback - difficulty, problem, delay, hitch⏎
superintend - oversee, manage, supervise⏎