Difference between Heir Presumptive and Bestride

HEIR PRESUMPTIVE vs BESTRIDE: NOUN

Someone who will inherit only if no better choice for an heir is born.
See heir apparent.
An heir who stands to inherit the estate, title, or office of an intestate ancestor, but whose claim can be defeated if a relative who is closer to the ancestor is born prior to the ancestor's death.
A person who expects to inherit but whose right can be defeated by the birth of a nearer relative

To dominate.
To be astride something, to stand over or sit on with legs on either side, especially to sit on a horse.
Get on the back of

To step over; to stride over or across.
To stand or sit with anything between the legs, or with the legs astride; to stand over.
To step or stride across.
To dominate by position; tower over.
To sit or stand on with the legs astride; straddle.

To step over; cross by stepping.
To straddle over; mount astride of; stretch the legs or corresponding parts across so as to embrace: as, to bestride a horse; spectacles bestriding the nose.
Get up on the back of

Succession, Peacock throne, Kingship, Dynastic, King, Prince consort, Princeling, Monarch, Figurehead, Prince regent, Coronation, Heir, Successor, Throne, Heir apparent

Limn, Dominate, Transfigure, Genuflect, Lionise, Totter, Transfix, Conquer, Straddle, Mount up, Climb on, Jump on, Hop on, Get on, Mount

Succession, Peacock throne, Kingship, Dynastic, King, Prince consort, Princeling, Monarch, Figurehead, Prince regent, Coronation, Heir, Successor, Throne, Heir apparent

Cavort, Enfold, Ascend, Limn, Dominate, Transfigure, Genuflect, Lionise, Totter, Transfix, Conquer, Straddle, Mount up, Get on, Mount

He is the son of Eliwood, the main character of Fire Emblem: The Blazing Blade, and heir presumptive of Pherae.
Frenchman, that he is not heir presumptive to another crown, and that he has previously taken the civic oath.
Prince Albert became King George VI and the young Princess Elizabeth became heir presumptive to the throne.
Known as "The Brat" in the Heraldic Circle, the Heir-presumptive lives up to her nickname.
Roger was made lieutenant of Ireland and was declared heir presumptive to the Crown.

To open it, to scale the frame, to bestride it, was the work of a second only.
He may still bestride the world like a colossus, but the world is shifting under his feet.
When I bestride him, I soar, I am a hawk.
And yet it also attempts to bestride the earth with the iron boot of collectivist totalitarianism.