Stinker Crossword April / May No 105

[Baillie]

Hi would be great if someone can help me with these 3 answers,
Clue is - Prosperous Russian Entrepeneur
I have o?i?a?c?
also
Clue is - Indicate roughly
I have ad??b?ate
last one is
Clue - Plotted course....line
I have R?u?b
I thought it would be "route" but the "b" comes from the clue "Prohibition Smuggler" which I have "B"ootlegger" as the answer so it must be something else
Thanks very much for helping me

[Captain2]

1 Oligarch

[Captain2]

2 Adumbrate

[cashier]

2 adumbrate

[Captain2]

3 Rhumb

[cashier]

3. Rhumb

[Captain2]

Rhumb

noun - a line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction
any of the thirty-two points of a compass

[fiction-factory]

does bootlegger definitely fit? I wondered about rumrunner but that's a letter less

[fiction-factory]

Okay bootlegger is fine then

[ALCHEMI]

OLIGARCH
ADUMBRATE
RHUMB

[Baillie]

thank you to all for your answers. Much appreciated - Stinker now finished

[JJ109]

Oligarch

[JJ109]

Oops - too early in the morning - must learn to look at the replies first!