Besieged

Traditionally a besieged planet is one that sits between Saturn and Mars in the same sign, and the effect is very detrimental to that planet, there is no way to turn, it is basically cornered, and the person/situation it relates to in the chart will feel that way.

Today besieged includes extends to one planet being in a different sign, also besieged can be benefic if surrounded by Jupiter and Venus.

Natal charts aspects act as gifts, besieged planets are referred to transits.